/* Dump registers.
Copyright (C) 1999-2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 1999.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <sys/uio.h>
#include <_itoa.h>
/* We will print the register dump in this format:
PSR: XXXXXXXX PC: XXXXXXXX NPC: XXXXXXXX Y: XXXXXXXX
g0: 00000000 g1: XXXXXXXX g2: XXXXXXXX g3: XXXXXXXX
g4: XXXXXXXX g5: XXXXXXXX g6: XXXXXXXX g7: XXXXXXXX
o0: XXXXXXXX o1: XXXXXXXX o2: XXXXXXXX o3: XXXXXXXX
o4: XXXXXXXX o5: XXXXXXXX sp: XXXXXXXX o7: XXXXXXXX
l0: XXXXXXXX l1: XXXXXXXX l2: XXXXXXXX l3: XXXXXXXX
l4: XXXXXXXX l5: XXXXXXXX l6: XXXXXXXX l7: XXXXXXXX
i0: XXXXXXXX i1: XXXXXXXX i2: XXXXXXXX i3: XXXXXXXX
i4: XXXXXXXX i5: XXXXXXXX fp: XXXXXXXX i7: XXXXXXXX
followed on sun4, sun4c, sun4d, sun4m by:
Old mask: XXXXXXXX FSR: XXXXXXXX FPQ: XXXXXXXX
f0: XXXXXXXXXXXXXXXX f2: XXXXXXXXXXXXXXXX f4: XXXXXXXXXXXXXXXX
f6: XXXXXXXXXXXXXXXX f8: XXXXXXXXXXXXXXXX f10: XXXXXXXXXXXXXXXX
f12: XXXXXXXXXXXXXXXX f14: XXXXXXXXXXXXXXXX f16: XXXXXXXXXXXXXXXX
f18: XXXXXXXXXXXXXXXX f20: XXXXXXXXXXXXXXXX f22: XXXXXXXXXXXXXXXX
f24: XXXXXXXXXXXXXXXX f26: XXXXXXXXXXXXXXXX f28: XXXXXXXXXXXXXXXX
f30: XXXXXXXXXXXXXXXX
and on sun4u by:
Old mask: XXXXXXXX XFSR: XXXXXXXXXXXXXXXX GSR: XX FPRS: X
f0: XXXXXXXXXXXXXXXX f2: XXXXXXXXXXXXXXXX f4: XXXXXXXXXXXXXXXX
f6: XXXXXXXXXXXXXXXX f8: XXXXXXXXXXXXXXXX f10: XXXXXXXXXXXXXXXX
f12: XXXXXXXXXXXXXXXX f14: XXXXXXXXXXXXXXXX f16: XXXXXXXXXXXXXXXX
f18: XXXXXXXXXXXXXXXX f20: XXXXXXXXXXXXXXXX f22: XXXXXXXXXXXXXXXX
f24: XXXXXXXXXXXXXXXX f26: XXXXXXXXXXXXXXXX f28: XXXXXXXXXXXXXXXX
f30: XXXXXXXXXXXXXXXX f32: XXXXXXXXXXXXXXXX f34: XXXXXXXXXXXXXXXX
f36: XXXXXXXXXXXXXXXX f38: XXXXXXXXXXXXXXXX f40: XXXXXXXXXXXXXXXX
f42: XXXXXXXXXXXXXXXX f44: XXXXXXXXXXXXXXXX f46: XXXXXXXXXXXXXXXX
f48: XXXXXXXXXXXXXXXX f50: XXXXXXXXXXXXXXXX f52: XXXXXXXXXXXXXXXX
f54: XXXXXXXXXXXXXXXX f56: XXXXXXXXXXXXXXXX f58: XXXXXXXXXXXXXXXX
f60: XXXXXXXXXXXXXXXX f62: XXXXXXXXXXXXXXXX
*/
static void
hexvalue (unsigned long int value, char *buf, size_t len)
{
char *cp = _itoa_word (value, buf + len, 16, 0);
while (cp > buf)
*--cp = '0';
}
struct __siginfo_sparc32_fpu
{
unsigned int si_float_regs[32];
unsigned int si_fsr;
unsigned int si_fpq;
};
struct __siginfo_sparc64_fpu
{
unsigned int si_float_regs[64];
unsigned int si_xfsr;
unsigned int si_fsr;
unsigned int _pad1;
unsigned int si_gsr;
unsigned int _pad2;
unsigned int si_fprs;
};
static void
register_dump (int fd, SIGCONTEXT ctx)
{
char regs[36][8];
char fregs[68][8];
struct iovec iov[150];
size_t nr = 0;
int i;
unsigned int *r = (unsigned int *)
ctx->si_regs.u_regs[14];
#define ADD_STRING(str) \
iov[nr].iov_base = (char *) str; \
iov[nr].iov_len = strlen (str); \
++nr
#define ADD_MEM(str, len) \
iov[nr].iov_base = str; \
iov[nr].iov_len = len; \
++nr
/* Generate strings of register contents. */
hexvalue (ctx->si_regs.psr, regs[0], 8);
hexvalue (ctx->si_regs.pc, regs[1], 8);
hexvalue (ctx->si_regs.npc, regs[2], 8);
hexvalue (ctx->si_regs.y, regs[3], 8);
for (i = 1; i <= 15; i++)
hexvalue (ctx->si_regs.u_regs[i], regs[3+i], 8);
for (i = 0; i <= 15; i++)
hexvalue (r[i], regs[19+i], 8);
hexvalue (ctx->si_mask, regs[35], 8);
/* Generate the output. */
ADD_STRING ("Register dump:\n\n PSR: ");
ADD_MEM (regs[0], 8);
ADD_STRING (" PC: ");
ADD_MEM (regs[1], 8);
ADD_STRING (" NPC: ");
ADD_MEM (regs[2], 8);
ADD_STRING (" Y: ");
ADD_MEM (regs[3], 8);
ADD_STRING ("\n g0: 00000000 g1: ");
ADD_MEM (regs[4], 8);
ADD_STRING (" g2: ");
ADD_MEM (regs[5], 8);
ADD_STRING (" g3: ");
ADD_MEM (regs[6], 8);
ADD_STRING ("\n g4: ");
ADD_MEM (regs[7], 8);
ADD_STRING (" g5: ");
ADD_MEM (regs[8], 8);
ADD_STRING (" g6: ");
ADD_MEM (regs[9], 8);
ADD_STRING (" g7: ");
ADD_MEM (regs[10], 8);
ADD_STRING ("\n o0: ");
ADD_MEM (regs[11], 8);
ADD_STRING (" o1: ");
ADD_MEM (regs[12], 8);
ADD_STRING (" o2: ");
ADD_MEM (regs[13], 8);
ADD_STRING (" o3: ");
ADD_MEM (regs[14], 8);
ADD_STRING ("\n o4: ");
ADD_MEM (regs[15], 8);
ADD_STRING (" o5: ");
ADD_MEM (regs[16], 8);
ADD_STRING (" sp: ");
ADD_MEM (regs[17], 8);
ADD_STRING (" o7: ");
ADD_MEM (regs[18], 8);
ADD_STRING ("\n l0: ");
ADD_MEM (regs[19], 8);
ADD_STRING (" l1: ");
ADD_MEM (regs[20], 8);
ADD_STRING (" l2: ");
ADD_MEM (regs[21], 8);
ADD_STRING (" l3: ");
ADD_MEM (regs[22], 8);
ADD_STRING ("\n l4: ");
ADD_MEM (regs[23], 8);
ADD_STRING (" l5: ");
ADD_MEM (regs[24], 8);
ADD_STRING (" l6: ");
ADD_MEM (regs[25], 8);
ADD_STRING (" l7: ");
ADD_MEM (regs[26], 8);
ADD_STRING ("\n i0: ");
ADD_MEM (regs[27], 8);
ADD_STRING (" i1: ");
ADD_MEM (regs[28], 8);
ADD_STRING (" i2: ");
ADD_MEM (regs[29], 8);
ADD_STRING (" i3: ");
ADD_MEM (regs[30], 8);
ADD_STRING ("\n i4: ");
ADD_MEM (regs[31], 8);
ADD_STRING (" i5: ");
ADD_MEM (regs[32], 8);
ADD_STRING (" fp: ");
ADD_MEM (regs[33], 8);
ADD_STRING (" i7: ");
ADD_MEM (regs[34], 8);
ADD_STRING ("\n\n Old mask: ");
ADD_MEM (regs[35], 8);
if ((ctx->si_regs.psr & 0xff000000) == 0xff000000)
{
struct __siginfo_sparc64_fpu *f;
f = *(struct __siginfo_sparc64_fpu **) (ctx + 1);
if (f != NULL)
{
for (i = 0; i < 64; i++)
hexvalue (f->si_float_regs[i], fregs[i], 8);
hexvalue (f->si_xfsr, fregs[64], 8);
hexvalue (f->si_fsr, fregs[65], 8);
hexvalue (f->si_gsr, fregs[66], 2);
hexvalue (f->si_fprs, fregs[67], 1);
ADD_STRING (" XFSR: ");
ADD_MEM (fregs[64], 8);
ADD_MEM (fregs[65], 8);
ADD_STRING (" GSR: ");
ADD_MEM (fregs[66], 2);
ADD_STRING (" FPRS: ");
ADD_MEM (fregs[67], 1);
ADD_STRING ("\n f0: ");
ADD_MEM (fregs[0], 16);
ADD_STRING (" f2: ");
ADD_MEM (fregs[2], 16);
ADD_STRING (" f4: ");
ADD_MEM (fregs[4], 16);
ADD_STRING ("\n f6: ");
ADD_MEM (fregs[6], 16);
ADD_STRING (" f8: ");
ADD_MEM (fregs[8], 16);
ADD_STRING (" f10: ");
ADD_MEM (fregs[10], 16);
ADD_STRING ("\n f12: ");
ADD_MEM (fregs[12], 16);
ADD_STRING (" f14: ");
ADD_MEM (fregs[14], 16);
ADD_STRING (" f16: ");
ADD_MEM (fregs[16], 16);
ADD_STRING ("\n f18: ");
ADD_MEM (fregs[18], 16);
ADD_STRING (" f20: ");
ADD_MEM (fregs[20], 16);
ADD_STRING (" f22: ");
ADD_MEM (fregs[22], 16);
ADD_STRING ("\n f24: ");
ADD_MEM (fregs[24], 16);
ADD_STRING (" f26: ");
ADD_MEM (fregs[26], 16);
ADD_STRING (" f28: ");
ADD_MEM (fregs[28], 16);
ADD_STRING ("\n f30: ");
ADD_MEM (fregs[30], 16);
ADD_STRING (" f32: ");
ADD_MEM (fregs[32], 16);
ADD_STRING (" f34: ");
ADD_MEM (fregs[34], 16);
ADD_STRING ("\n f36: ");
ADD_MEM (fregs[36], 16);
ADD_STRING (" f38: ");
ADD_MEM (fregs[38], 16);
ADD_STRING (" f40: ");
ADD_MEM (fregs[40], 16);
ADD_STRING ("\n f42: ");
ADD_MEM (fregs[42], 16);
ADD_STRING (" f44: ");
ADD_MEM (fregs[44], 16);
ADD_STRING (" f46: ");
ADD_MEM (fregs[46], 16);
ADD_STRING ("\n f48: ");
ADD_MEM (fregs[48], 16);
ADD_STRING (" f50: ");
ADD_MEM (fregs[50], 16);
ADD_STRING (" f52: ");
ADD_MEM (fregs[52], 16);
ADD_STRING ("\n f54: ");
ADD_MEM (fregs[54], 16);
ADD_STRING (" f56: ");
ADD_MEM (fregs[56], 16);
ADD_STRING (" f58: ");
ADD_MEM (fregs[58], 16);
ADD_STRING ("\n f60: ");
ADD_MEM (fregs[60], 16);
ADD_STRING (" f62: ");
ADD_MEM (fregs[62], 16);
}
}
else
{
struct __siginfo_sparc32_fpu *f;
f = *(struct __siginfo_sparc32_fpu **) (ctx + 1);
if (f != NULL)
{
for (i = 0; i < 32; i++)
hexvalue (f->si_float_regs[i], fregs[i], 8);
hexvalue (f->si_fsr, fregs[64], 8);
hexvalue (f->si_fpq, fregs[65], 8);
ADD_STRING (" FSR: ");
ADD_MEM (fregs[64], 8);
ADD_STRING (" FPQ: ");
ADD_MEM (fregs[65], 8);
ADD_STRING ("\n f0: ");
ADD_MEM (fregs[0], 16);
ADD_STRING (" f2: ");
ADD_MEM (fregs[2], 16);
ADD_STRING (" f4: ");
ADD_MEM (fregs[4], 16);
ADD_STRING ("\n f6: ");
ADD_MEM (fregs[6], 16);
ADD_STRING (" f8: ");
ADD_MEM (fregs[8], 16);
ADD_STRING (" f10: ");
ADD_MEM (fregs[10], 16);
ADD_STRING ("\n f12: ");
ADD_MEM (fregs[12], 16);
ADD_STRING (" f14: ");
ADD_MEM (fregs[14], 16);
ADD_STRING (" f16: ");
ADD_MEM (fregs[16], 16);
ADD_STRING ("\n f18: ");
ADD_MEM (fregs[18], 16);
ADD_STRING (" f20: ");
ADD_MEM (fregs[20], 16);
ADD_STRING (" f22: ");
ADD_MEM (fregs[22], 16);
ADD_STRING ("\n f24: ");
ADD_MEM (fregs[24], 16);
ADD_STRING (" f26: ");
ADD_MEM (fregs[26], 16);
ADD_STRING (" f28: ");
ADD_MEM (fregs[28], 16);
ADD_STRING ("\n f30: ");
ADD_MEM (fregs[30], 16);
}
}
ADD_STRING ("\n");
/* Write the stuff out. */
writev (fd, iov, nr);
}
#define REGISTER_DUMP register_dump (fd, ctx)